1999 Chevy Blazer LS

If you are able to change or place the brakes pops off front and back tires, and inspect the front brake pads and rotors, Then with te rear brake drums, They can be a real pita to remove to inspect, block the front wheels with brick or piece or wood, Then get a hammer piece of wood place the wood on the side of the rear brake drum then, stirke is hard, with the hammer hiting the wood, Then trying wiggling the drum off the car. Then inspect the brake drum for grooves and markings, Also see what kind of condition the rear brake shoes are in.